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LTC3603_15 Datasheet, PDF (2/22 Pages) Linear Technology – 2.5A, 15V Monolithic Synchronous Step-Down Regulator
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LTC3603
Absolute Maximum Ratings (Note 1)
PVIN Supply Voltage (DC)........................... –0.3V to 16V
PVIN Supply Transient Voltage (<1µs)........................21V
SW............................................... –0.3V to (PVIN + 0.3V)
BOOST..................................(VSW –0.3V) to (VSW + 6V)
RUN............................................................ –0.3V to 16V
All Other Pins................................................ –0.3V to 6V
Peak SW Sink and Source Current (Note 7)..............6.5A
Operating Junction Temperature Range
(Notes 2, 5, 6)..................................... –40°C to 125°C
Lead Temperature (Soldering, 10 seconds)
MSE Package..................................................... 300°C
Pin Configuration
INTVCC 1
SYNC/MODE 2
PGOOD 3
RT 4
ITH 5
VFB 6
SGND 7
RUN 8
TOP VIEW
17
SGND
16 PVIN
15 PVIN
14 BOOST
13 SW
12 SW
11 PGND
10 PGND
9 TRACK/SS
MSE PACKAGE
16-LEAD PLASTIC eMSOP
TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB
TOP VIEW
20 19 18 17 16
PVIN 1
PVIN 2
INTVCC 3
SYNC/MODE 4
PGOOD 5
21
SGND
15 PGND
14 PGND
13 PGND
12 PGND
11 TRACK/SS
6 7 8 9 10
UF PACKAGE
20-LEAD (4mm × 4mm) PLASTIC QFN
TJMAX = 125°C, θJA = 37°C/W, θJC = 5°C/W
EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB
order information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3603EMSE#PBF
LTC3603EMSE#TRPBF 3603
16-Lead Plastic eMSOP
–40°C to 125°C
LTC3603IMSE #PBF
LTC3603IMSE#TRPBF 3603
16-Lead Plastic eMSOP
–40°C to 125°C
LTC3603EUF#PBF
LTC3603EUF#TRPBF
3603
20-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C
LTC3603IUF#PBF
LTC3603IUF#TRPBF
3603
20-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
3603fc
2
For more information www.linear.com/LTC3603
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